JavaEdge

Sep 3, 2026 · Artificial Intelligence

Claude Fable 5.1 & Mythos 5.1: Benchmarks, Safety Upgrades, 45% Cost Savings

Anthropic launches Claude Fable 5.1 and Mythos 5.1 with stronger coding and reasoning benchmarks, 60% fewer cybersecurity false positives, 25–45% cost reduction via cheaper cache reads, new enterprise data safeguards, and watermarking for EU AI Act compliance.